Load Testing and Scaling Timeline

Load Testing and Scaling Timeline A sequence diagram generated by Archify. Traffic ramps up Orders and queue consumer path Observe collected request rate Queue metric → consumer replicas Observe unschedulable Pods Provision compatible node capacity Spike traffic Adjust replicas within HPA bounds Create NodeClaims if needed Traffic ramps down HPA lookback / KEDA scale to zero Respect delays, PDBs and budgets Record actual requests, queue, Pods, nodes Ramp · 30s → 5 VUs Steady · 60s at 5 VUs Spike · 15s → 20, hold 30s Recovery · 15s → 5, 30s → 0 k6 · load generator · Sequence participant k6 load generator API Gateway · msa entrypoint · Sequence participant API Gateway msa entrypoint MSA Pod · API + queue consumer · Sequence participant MSA Pod API + queue consumer KEDA / HPA · Pod scaling · Sequence participant KEDA / HPA Pod scaling Karpenter · Node scaling · Sequence participant Karpenter Node scaling Grafana · dashboards · Sequence participant Grafana dashboards Legend request return async trace default message